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NREL's S811 Airfoil (s811-nr)

NREL's S811 Airfoil - NREL HAWT airfoil S811 root


Airfoil s811-nr
Details Dat file Parser  
(s811-nr) NREL's S811 Airfoil
NREL HAWT airfoil S811 root
Max thickness 26.3% at 27.4% chord.
Max camber 1.7% at 76.4% chord
Source NWTC National WInd Technology Center
Source dat file
The dat file is in Selig format
NREL's S811 Airfoil
   x/c       y/c
1.00000   0.00000
0.99619   0.00074
0.98519   0.00323
0.96793   0.00761
0.94535   0.01352
0.91804   0.02028
0.88610   0.02727
0.84950   0.03440
0.80858   0.04188
0.76398   0.04975
0.71636   0.05796
0.66646   0.06641
0.61500   0.07493
0.56276   0.08335
0.51049   0.09140
0.45894   0.09881
0.40887   0.10523
0.36098   0.11025
0.31597   0.11314
0.27382   0.11289
0.23368   0.10934
0.19534   0.10331
0.15926   0.09538
0.12588   0.08587
0.09559   0.07507
0.06876   0.06328
0.04575   0.05078
0.02689   0.03785
0.01252   0.02483
0.00312   0.01213
0.00000   0.00000
0.00000  -0.00017
0.00330  -0.01344
0.01158  -0.02841
0.02410  -0.04435
0.04047  -0.06074
0.06034  -0.07716
0.08330  -0.09318
0.10892  -0.10833
0.13681  -0.12211
0.16655  -0.13392
0.19784  -0.14311
0.23045  -0.14893
0.26460  -0.15049
0.30087  -0.14743
0.33981  -0.13961
0.38235  -0.12742
0.42897  -0.11218
0.47922  -0.09522
0.53243  -0.07757
0.58775  -0.06021
0.64413  -0.04401
0.70040  -0.02967
0.75525  -0.01772
0.80734  -0.00847
0.85534  -0.00200
0.89799   0.00184
0.93420   0.00341
0.96306   0.00321
0.98380   0.00192
0.99602   0.00056
1.00000   0.00000
Dat file parser warnings
  • Line 2 - Invalid characters : x/c y/c
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Polars for NREL's S811 Airfoil (s811-nr)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   s811-nr50,00096.1 at α=-0.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s811-nr50,00057.5 at α=2.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s811-nr100,000912.8 at α=15°Mach=0 Ncrit=9Xfoil predictionDetails
   s811-nr100,000528.4 at α=10.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s811-nr200,000948.8 at α=11.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s811-nr200,000552.3 at α=10.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s811-nr500,000979.1 at α=10.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s811-nr500,000576 at α=8.75°Mach=0 Ncrit=5Xfoil predictionDetails
   s811-nr1,000,000999.5 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s811-nr1,000,000590.9 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
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